3pcs RC Model Airplane Aircraft Landing Sponge Wheel D60mm H21mm d4mm Product Name : RC Airplane Sponge Wheel;Wheel Size : 60 x 21mm/ 2.4" x 0.8"(D*H) for Shaft Dia : 4mm/0.16";Material : Sponge, Nylon Color : Black, Gray Net Weight : 35g Package Content : 3 x RC Airplane Sponge Wheel